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Django connection to PostgreSQL: “Peer authentication failed”
...oticed it had to do with my connection settings. Went back to settings.py, and saw I did not have a Host setup. Add localhost and voila.
My settings.py did not have a HOST for MySQL database, but I needed to add one for PostgreSQL to work.
In my case, I added localhost to the HOST setting and it w...
Java Persistence / JPA: @Column vs @Basic
What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
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How to access session variables from any class in ASP.NET?
...access session variables from any page or control using Session["loginId"] and from any class (e.g. from inside a class library), using System.Web.HttpContext.Current.Session["loginId"].
But please read on for my original answer...
I always use a wrapper class around the ASP.NET session to simpl...
What does string::npos mean in this code?
...people think they can convert that into < 0 which is NOT the same thing and will not work.
– Andy Dent
Mar 26 '12 at 7:56
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How to determine height of UICollectionView with FlowLayout
I've got an UICollectionView with an UICollectionViewFlowLayout , and i want to calculate its content size (for return in intrinsicContentSize needed for adjusting its height via AutoLayout).
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What does map(&:name) mean in Ruby?
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It's shorthand for tags.map(&:name.to_proc).join(' ')
If foo is an object with a to_proc method, then you can pass it to a method as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#to_proc meth...
What is the relationship between the docker host OS and the container base image OS?
...tion... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...ression, while () is not.
To learn more about how languages are defined, and how compilers work, you should learn about Formal language theory or more specifically Context Free Grammars (CFG) and related material like finite state machines. If you are interested in that though the wikipedia pages...
What is the difference between functional and non functional requirement? [closed]
What is the difference between functional and non-functional requirements in the context of designing a software system?
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What C++ Smart Pointer Implementations are available?
...ters shouldn't contain the same object. Assignment will transfer ownership and reset the rvalue auto pointer to a null pointer. Which leads to perhaps the worst drawback; they can't be used within STL containers due to the aforementioned inability to be copied. The final blow to any use case is they...